<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404</title>
    <style>
        h2{
            color: red;
            margin: 100px auto;
            text-align: center;
        }
    </style>
</head>
<body>
    <h2>404 资源走丢了!</h2>
    <h2><a href="/">回主页</a></h2>
</body>
</html>